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| -rw-r--r-- | test/Transforms/SimplifyCFG/branch-fold.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/branch-fold.ll b/test/Transforms/SimplifyCFG/branch-fold.ll new file mode 100644 index 0000000000..8bd137cc66 --- /dev/null +++ b/test/Transforms/SimplifyCFG/branch-fold.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | grep 'br bool' | wc -l | grep 1 + +void %test(int* %P, int* %Q, bool %A, bool %B) { + br bool %A, label %a, label %b ;; fold the two branches into one +a: + br bool %B, label %b, label %c +b: + store int 123, int* %P + ret void +c: + ret void +} |